", cal_mem(), PHP_EOL; gc_mem_caches(); gc_collect_cycles(); $wxChat = $sdk->getChatData($seq, 100); $chats = json_decode($wxChat, true); $chatRows = $chats['chatdata']; foreach ($chatRows as $val) { $decryptRandKey = null; $decryptData = openssl_private_decrypt(base64_decode($val['encrypt_random_key']), $decryptRandKey, $privateKey, OPENSSL_PKCS1_PADDING); $decryptChatRawContent = $sdk->decryptData($decryptRandKey, $val['encrypt_chat_msg']); $j2 = json_decode($decryptChatRawContent, true); $msgType = $j2['msgtype']; if (in_array($msgType, ['image', 'video'])) { try { $sdk->downloadMedia($j2[$msgType]['sdkfileid'], "/tmp/download/{$j2[$msgType]['md5sum']}"); }catch(\Exception $e) { var_dump($e); var_dump($e->getMessage(), $e->getCode()); sleep(1); } } unset($decryptRandKey); } echo "loop done ===>", cal_mem(); unset($chatRows, $wxChat, $chats); gc_collect_cycles();gc_collect_cycles(); $seq = $val['seq']; }while(true); cal_mem();